Skip to results
Modify your search
NARROW
1-20 of 45
Keywords: Heron
Journal Article
Grazing activity of Clibanarius corallinus (H. Milne Edwards, 1848) (Decapoda: Anomura: Diogenidae) on epilithic algae in Australian coral reefs
Journal of Crustacean Biology, Volume 43, Issue 3, September 2023, ruad044, https://doi.org/10.1093/jcbiol/ruad044
Published: 11 August 2023
... its potential role as a mesograzer in coral reef ecosystems. Epiphyte-covered, coral rubble fragments of Acropora spp. were exposed to hermit crab (N = 41) activity for 72 h in a flow-through seawater aquarium system at Heron Island, southern Great Barrier Reef, Australia...
Journal Article
Historic and contemporary use of catfish aquaculture by piscivorous birds in the Mississippi Delta
Ornithological Applications, Volume 122, Issue 4, 2 November 2020, duaa036, https://doi.org/10.1093/condor/duaa036
Published: 27 July 2020
... Cormorants, Great Blue Herons (Ardea herodias), and Great Egrets (A. alba) during the winters of 2015−2016, 2016−2017, and 2017−2018. Inset map shows the study region within the state of Mississippi. During the early 2000s, Brian Dorr and colleagues conducted comprehensive research...
Journal Article
Evaluating the taxonomic status of the Great White Heron (Ardea herodias occidentalis) using morphological, behavioral and genetic evidence
in
Ornithology
The Auk, Volume 136, Issue 1, 1 January 2019, uky010, https://doi.org/10.1093/auk/uky010
Published: 18 March 2019
...Heather L McGuire; Sabrina S Taylor; Frederick H Sheldon FIGURE 1. Distribution of the 4 North American Great Blue Heron subspecies that were sampled to evaluate geographic variation. Red dots mark genetic sampling localities (listed in Table S2 ). See Figure 3 for details of area D...
Journal Article
PERFLUORINATED COMPOUND CONCENTRATIONS IN GREAT BLUE HERON EGGS NEAR ST. PAUL, MINNESOTA, USA, IN 1993 AND 2010–2011 Get access
Environmental Toxicology and Chemistry, Volume 32, Issue 5, 1 May 2013, Pages 1077–1083, https://doi.org/10.1002/etc.2146
Published: 01 February 2013
... the terms of the Oxford University Press, Standard Journals Publication Model (https://dbpia.nl.go.kr/pages/standard-publication-reuse-rights) Archived great blue heron (Ardea herodias) eggs, collected in 1993 from a colony located on Pig's Eye Island 9 , were analyzed in 2007...
Journal Article
Group-Foraging Effects on Capture Rate in Wading Birds
The Condor, Volume 114, Issue 4, 1 November 2012, Pages 744–754, https://doi.org/10.1525/cond.2012.110159
Published: 01 November 2012
... was highest in intermediate-sized groups but tapered off in larger groups, suggesting that interference competition limits success. Tricolored Herons (Egretta tricolor) showed a similar but less statistically precise pattern. Contrary to expectation, the capture rate of Snowy Egrets (E...
Journal Article
Kalman Filter Initialization for Integrated Population Modelling Get access
Journal of the Royal Statistical Society Series C: Applied Statistics, Volume 61, Issue 1, January 2012, Pages 151–162, https://doi.org/10.1111/j.1467-9876.2011.01012.x
Published: 10 October 2011
... reproduction of herons, and normal measurement error with mean 0 and variance H t=σ2, which is just a scalar quantity in this application. Corresponding to equation ( 1 ), we now have 3 log { L ( ψ ) } = constant − 1 2 ∑ n t = 1...
Journal Article
Polybrominated diphenyl ethers, toxaphenes, and other halogenated organic pollutants in great blue heron eggs Get access
Environmental Toxicology and Chemistry, Volume 29, Issue 2, 1 February 2010, Pages 243–249, https://doi.org/10.1002/etc.37
Published: 08 October 2009
...Louise Champoux; John Moisey; Derek C.G. Muir Environment Canada, Wildlife and Landscape Science Directorate, Science and Technology Branch, 1141 route de l'Église, C.P. 10100, Sainte‐Foy, Québec, G1V 4H5. 20 05 2009 20 02 2009 21 08 2009 In 2001 and 2002, seven great blue heron...
Journal Article
Mitochondrial Genomes and Avian Phylogeny: Complex Characters and Resolvability without Explosive Radiations
Molecular Biology and Evolution, Volume 24, Issue 1, January 2007, Pages 269–280, https://doi.org/10.1093/molbev/msl158
Published: 24 October 2006
... of Genetic Resources and are samples B-10720 and B-9081, respectively. The osprey (P. haliaetus) was provided by the Australian Museum (Sydney), sample EBU 37010, and the Australian pelican (P. conspicillatus) by the Museum of Victoria, sample number MV 1883. The white-faced heron...
Journal Article
An Unusual Type of Sibling Aggression in Black-Crowned Night Herons
The Condor, Volume 102, Issue 2, 1 May 2000, Pages 438–440, https://doi.org/10.1093/condor/102.2.438
Published: 01 May 2000
...-crowned Night Herons (Nycticorax nycticorax) in Minnesota. In one nest, on two different days, a senior chick swallowed the head of its smallest sibling, immobilizing it until it seemed near death. Occasional fights also occurred in this nest only. Senior chicks in both nests gained more food...
Journal Article
“Optimal” Colony Size for Least Terns: An Inter-Colony Study of Opposing Selective Pressures by Predators Get access
The Condor, Volume 101, Issue 3, 1 August 1999, Pages 607–615, https://doi.org/10.2307/1370190
Published: 01 August 1999
... of predators varied with the type of predator. A significant positive correlation was observed between colony size and nest loss due to Black-crowned Night-Herons (Nycticorax nycticorax). In contrast, a significant negative correlation was observed between colony size and nest loss due to small...
Journal Article
Ecological risk assessment in a large river‐reservoir: 7. Environmental contaminant accumulation and effects in great blue heron Get access
Environmental Toxicology and Chemistry, Volume 18, Issue 4, 1 April 1999, Pages 641–648, https://doi.org/10.1002/etc.5620180408
Published: 01 April 1999
... found in fish collected from aquatic systems on the ORR, and a screening level risk assessment has identified piscivorous wildlife downstream from the ORR as being at risk. As a component of an ecological risk assessment of a large river‐reservoir system, the great blue heron (Ardea herodias...
Journal Article
Effects of acute 2,3,7,8‐tetrachlorodibenzo‐p‐dioxin exposure on plasma thyroid and sex steroid hormone concentrations and estrogen receptor levels in adult great blue herons Get access
Environmental Toxicology and Chemistry, Volume 16, Issue 5, 1 May 1997, Pages 985–989, https://doi.org/10.1002/etc.5620160517
Published: 01 May 1997
... or liver to body weight ratios between control and TCDD‐exposed herons (data not shown). Hepatic EROD was induced approximately sixfold in TCDD‐exposed herons (p < 0.001; Table 1 ). This level of EROD induction suggests a moderate TCDD dose, although there is no information on maximal EROD...
Journal Article
Contaminant concentrations and biomarker response in great blue heron eggs from 10 colonies on the upper Mississippi River, USA Get access
Environmental Toxicology and Chemistry, Volume 16, Issue 2, 1 February 1997, Pages 260–271, https://doi.org/10.1002/etc.5620160223
Published: 01 February 1997
... for about 2 h to ensure penetration of the cells with glycerin. It was then frozen in liquid nitrogen and later transferred to an ultracold freezer where it was stored at — 80C° until analysis. Fig. 1. Locations (open circles) on the upper Mississippi River where great blue heron eggs were collected...
Journal Article
Transfer and accumulation of organochlorines from black‐crowned night‐heron eggs to chicks Get access
Environmental Toxicology and Chemistry, Volume 14, Issue 3, 1 March 1995, Pages 533–536, https://doi.org/10.1002/etc.5620140323
Published: 01 March 1995
...Thomas W. Custer; Christine M. Custer Pergamon Environmental Toxicology and Chemistry, Vol. 14, No. 3, pp. 533-536, 1995 +Printed in the USA 0730-7268/95 $9.50 .OO 0730-7268(94)00211-8 Short Communication TRANSFER AND ACCUMULATION OF ORGANOCHLORINES FROM BLACK-CROWNED NIGHT-HERON EGGS TO CHICKS...
Journal Article
Geographical Variation of the Plumage Polymorphism in the Eastern Reef Heron (Egretta sacra) Get access
The Condor, Volume 93, Issue 2, 1 May 1991, Pages 383–389, https://doi.org/10.2307/1368954
Published: 01 May 1991
... I investigated the distribution of white and dark morphs of the Eastern Reef Heron (Egretta sacra) on several coasts and islands in central to southwestern Japan, eastern Australia, and French Polynesia. Both morphs preferred white beaches to dark beaches. Every local population contained...
Journal Article
Egg Size and Laying Order of Snowy Egrets, Great Egrets, and Black-Crowned Night-Herons Get access
The Condor, Volume 92, Issue 3, 1 August 1990, Pages 772–775, https://doi.org/10.2307/1368698
Published: 01 August 1990
...Thomas W. Custer; Peter C. Frederick The Condor © 1990 American Ornithological Society 1990 Black-crowned Night-Heron Nycticorax nycticorax Great Egret Casmerodius albus Snowy Egret Egretta thula egg size 11 10 1989 06 03 1990 The Condor 92:772-775 0...
Journal Article
Nest-Site Characteristics of Yellow-Crowned Night-Herons in Virginia Get access
The Condor, Volume 91, Issue 4, 1 November 1989, Pages 979–983, https://doi.org/10.2307/1368082
Published: 01 November 1989
...Bryan D. Watts Present address: Department of Zoology, UniverSity of Georgia, Athens, GA 30602 21 11 1988 18 05 1989 © The Cooper Ornithological Society 1989 1989 Yellow-crowned Night-Heron nest-site characteristics Virginia SHORT COMMUNICATIONS The Condor91:919-983 0...
Journal Article
Great Blue Heron Deaths Caused by Predation on Pacific Lamprey Get access
The Condor, Volume 91, Issue 2, 1 May 1989, Pages 482–484, https://doi.org/10.2307/1368332
Published: 01 May 1989
...Blair O. Wolf; Stephanie L. Jones Current address: U.S. Forest Service, Shasta-Trinity National Forest, Big Bar, CA 96010 23 01 1989 06 02 1989 © The Cooper Ornithological Society 1989 1989 Great Blue Heron Ardea herodias PaÃÂÃÂÃÂÃÂ cific lamprey Entosphenus tridentata...
Journal Article
Foraging Implications of Food Usage Patterns in Yellow-Crowned Night-Herons Get access
The Condor, Volume 90, Issue 4, 1 November 1988, Pages 860–865, https://doi.org/10.2307/1368843
Published: 01 November 1988
...Bryan D. Watts Present address: Department of Zoology, University of Georgia, Athens, GA 30602 19 02 1988 02 08 1988 © The Cooper Ornithological Society 1988 1988 Abstract Prey utilization by Yellow-crowned Night-Herons (Nycticorax violaceus) was examined during 1986 and 1987...
Journal Article
Predation on Black Rails during High Tides in Salt Marshes Get access
The Condor, Volume 88, Issue 1, 1 February 1986, Pages 107–109, https://doi.org/10.2307/1367769
Published: 01 February 1986
...Jules Evens; Gary W. Page 04 04 l985 20 09 1985 © The Cooper Ornithological Society 1986 1986 Black Rail predation Great Egret Great Blue Heron salt marsh high tide kleptoparasitism Northern Harrier Virginia Rail SHORT COMMUNICATIONS 107 number of observationsper ratio...
